Finding the Fourth Proportional to 3,530.46, 5,296.14 and 1,065.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530.46 : 5,296.14 = 1,065.28 : x
2. Step 2: Convert to fraction form
   3,530.46/5,296.14 = 1,065.28/x
3. Step 3: Cross multiply
   3,530.46x = 5,296.14 × 1,065.28
4. Step 4: Simplify right side
   3,530.46x = 5,641,870.02
5. Step 5: Solve for x
   x = 5,641,870.02/3,530.46
6. Step 6: Final answer
   x = 1,598.05